Synthesis of Ternary Photoactive Heterojunction B/CN@rGO for Visible Light Driven Selective Photooxidation of Benzyl Alcohol

IF 3 4区化学 Q3 CHEMISTRY, PHYSICAL

ChemPhotoChem Pub Date : 2024-07-12 DOI:10.1002/cptc.202400171

Komal Trivedi, Bhanupriya Yadav, Rohit Shrivastav, Chetan K. Modi

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Abstract

This work introduces a novel ternary heterostructure as a photocatalyst to selectively produce benzaldehyde from benzyl alcohol through photooxidation. We have synthesized bismuth vanadate functionalized graphitic carbon nitride decorated reduced graphene oxide B/CN@rGO ternary composite and subsequently subjected it to several characterization methodologies like XRD, FE-SEM, HR-TEM, XPS, FT-IR, TGA, UV-vis DRS, and EIS. The synthesized B/CN@rGO was effectively used in the photooxidation process to produce benzaldehyde from benzyl alcohol, employing a cost-effective white LED light of 200 W. Remarkable selectivity (100 %) towards the benzaldehyde was attained employing green oxidant H₂O₂. In addition, the synthesized photocatalyst showed unique thermal stability and could be reused for over five cycles without compromising the selectivity of the resulting product. Based on our comprehensive review of the existing study, the present work introduces a unique approach for the photooxidation of benzyl alcohol, employing B/CN@rGO ternary heterostructure as the photocatalyst.

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合成三元光活性异质结 B/CN@rGO，用于可见光驱动的苯甲醇选择性光氧化反应

本研究介绍了一种新型三元异质结构光催化剂，可通过光氧化作用从苯甲醇中选择性地生成苯甲醛。我们合成了钒酸铋官能化的氮化石墨装饰还原氧化石墨烯 B/CN@rGO 三元复合材料，并随后对其进行了多种表征方法，如 XRD、FE-SEM、HR-TEM、XPS、傅立叶变换红外光谱、TGA、紫外可见 DRS 和 EIS。合成的 B/CN@rGO 被有效地用于光氧化过程，利用 200 W 的高性价比白光 LED 灯从苯甲醇中生成苯甲醛。此外，合成的光催化剂还表现出独特的热稳定性，可重复使用五次以上，而不会影响所得产物的选择性。在全面回顾现有研究的基础上，本研究采用 B/CN@rGO 三元异质结构作为光催化剂，为苯甲醇的光氧化引入了一种独特的方法。

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来源期刊

ChemPhotoChem Chemistry-Physical and Theoretical Chemistry

CiteScore

5.80

自引率

5.40%

发文量

165

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